* {
  margin: 0;
  padding: 0;
}






.box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  /* 水平对齐方式：分散对齐 */

  margin: 1rem 8rem;
}

/* 图文混排区 */
.info {
  border-radius: 10px;
  border: 1px solid #000000;
  padding: 3px;
  width: 22%;
  text-align: center;
  margin-bottom: 1.5rem;
}

img {
  /* 图片自适应 */
  display: flex;
  width: 100%;
  height: auto;
}

.text01 {
  color: #000000;
  font-size: 1.3rem;
}

.text02 {
  padding: 0.5rem 0px;
  color: #000000;
}

.text03 {
  font-size: 0.9rem;
}

.info > div:last-child {
  padding: 2rem 1px 2rem 0px;
}

.totop {
  position: fixed;
  background-color: #777;
  color: #dcdcdc;

  width: 3.5rem;
  height: 3.5rem;

  display: flex;
  justify-content: center;
  align-items: center;

  right: 1rem;
  bottom: 8rem;
}

/* spen鼠标样式 */
.sb {
  cursor: pointer;
}